Question

Among all pairs of numbers whose difference is 4 find a pair whose product is as small as possible. What is the minimum product

Answer 1

0 and 4

Answer 2

can it be zero?

Answer 3

it's product is zero ..i think the smallest one...or else it can tend to infinity in negative..if taken in minus

Answer 4

no it won't go to -infi...coz both nos will be negative to give product positive....

Answer 5

hmm...right

Answer 6

the min product is -4

Answer 7

@hartnn smart! (Y)

Answer 8

its all mathematics :)

Answer 9

let one number be x,other will be x+4...to miminize the product means to differentiate x*(x+4) and equate it to 0....so 2x+4=0...so x=-2....so other no.=2....so product=-4..